PFAS and “forever chemicals”: facts, myths, and uncertainties

Pierre Labadie, CNRS Researcher in Environmental Chemistry at Université de Bordeaux

On April 28th, 2026 4 min reading time

PFAS are a family of molecules characterised by the presence of carbon chains and fluorine atoms in their chemical formula, which gives them strength and stability.

Homo Economicus on trial: what neuroeconomics reveals about rational choice

Marie Claire Villeval , Emeritus CNRS Research Director and Director of the GATE-Lab at Université de Lyon

On April 29th, 2026 6 min reading time

Experimental studies show that a loss is psychologically felt about twice as intensely as an equivalent gain.

Joan Delort Ylla_VF

When it comes to urban climate adaptation, what is COP good for?

Joan Delort Ylla, Research Engineer at Ecole Polytechnique (IP Paris) , Fiona O’Brien, Master's Student at Ecole Polytechnique (IP Paris)

On April 28th, 2026 5 min reading time

Russia vs. Europe: who really has the military edge?

Louise Souverbie, Researcher at IRIS in the Defense, Strategy, and Armaments Program

On April 21st, 2026 4 min reading time

According to SIPRI estimates, between 2020 and 2024, half of all military equipment was imported from outside the EU.

Energy renovation's blind spot: the 50% performance gap

Louis-Gaëtan Giraudet, Research Director at École nationale des ponts et chaussées (IP Paris)

On April 21st, 2026 3 min reading time

In 2024, energy consumption related to building operations accounts for 45% of final energy consumption in France.

Jérôme Béranger_VF

Building responsible AI: ethics, sovereignty and the planet

Jérôme Béranger, Research Associate at Université Toulouse 3 and AI ethics expert at EuropIA Institute, Fatima Ait Thami, Digital Ethics Consultant at GoodAlgo

On April 21st, 2026 5 min reading time

AI and productivity: rethinking workforce training and social cohesion

Philippe Tibi, Professor of Strategy and Finance at Ecole Polytechnique (IP Paris) and Founder of Pergamon Campus, Eric Hazan, Professor of Digital Strategy at Sciences Po, Co-Founder of Ardabelle Capital, and Senior Partner Emeritus at McKinsey & Company

On April 14th, 2026 12 min reading time

For organisations that use it, AI can boost productivity, but for others it exacerbates inequality.

The human brain is critical infrastructure — and it has no firewall

Guillaume Chillet, Cognitive Scientist, Head of Humanities and Social Sciences at the Defense Innovation Agency (AID)

On April 14th, 2026 4 min reading time

Cognitive sovereignty refers to the trainable and transferable ability to protect one’s judgment from attempts at manipulation.

Allan Deneuville_VF

Somewhere between a tool for citizens and a surveillance weapon, what exactly is OSINT?

Allan Deneuville, Lecturer at Université Bordeaux Montaigne and Researcher at GEODE (Geopolitics of the Datasphere)

On April 14th, 2026 4 min reading time

In the era of hyper-connectivity and ultra-segmentation, how do you actually reach people?

Dominique Wolton, Sociologist specialised in Communication Science, CNRS Research Director and Editor-in-Chief of the international journal Hermès

On April 7th, 2026 6 min reading time

To consider that to inform is the only objective of communication is not neutral, as this mindset assumes that the receiver is a passive agent.

A handful of fossil fuel producers are responsible for more frequent heatwaves worldwide 

Pascal Yiou, Research Director at Laboratoire des Sciences du Climat et de l’Environnement (LSCE) at Institut Pierre-Simon Laplace

On April 7th, 2026 3 min reading time

Certain heatwaves have become at least 10,000 times more likely compared to the pre-industrial era and would very likely not have occurred without these emissions.

Samuel Guigo_VF

Layer by layer: how 3D printing is transforming hospitals and medical research

Samuel Guigo, Operations Manager of W.Print at Brest University Hospital, Pierre Corre, Professor at the Faculty of Medicine at Nantes University Hospital, Surgeon and Researcher at the RMeS

On April 7th, 2026 5 min reading time

Why have MAGA voters lost trust in the scientific community?

Olivier Nay, Professor of Political Science at Paris 1 University – Panthéon Sorbonne and associate professor at Columbia University

On March 31st, 2026 6 min reading time

The American right has historically been pro-science, but the MAGA movement has developed a mistrust of scientific institutions.

How quantum finance could alter market engineering

Lionel Martellini, Founding Director of the EDHEC Quantum Institute and Director of Research at the CFA Institute Research Foundation

On March 31st, 2026 5 min reading time

Properties such as superposition and entanglement could be of interest in finance, but must be measured against real-world findings.

Valérie Desauziers

How to decarbonise the construction sector, without shifting the problem

Valérie Desauziers, Professor at IMT Mines Alès at Institut des Sciences Analytiques et de Physico-chimie pour l’Environnement et les Matériaux (IPREM), Adélaïde Feraille, Professor specialising in life cycle assessments (LCA) at École Nationale des Ponts et Chaussées (IP Paris)

On March 31st, 2026 3 min reading time

Science under suspicion: how real is the trust crisis?

Hugo Mercier, CNRS Research Director specialising in Cognitive Science at the Jean Nicod Institute, Ben Seyd, Senior Lecturer in Politics at the University of Kent

On March 24th, 2026 5 min reading time

The data refute the notion of a widespread crisis of confidence: 80% of French people trust science.

European AI gigafactories: the true, the false and the uncertain

Nicoleta Kyosovska, Research Assistant at the Centre for European Policy Studies (CEPS)

On March 24th, 2026 4 min reading time

The call for tenders requires AI factories to have plans for collaboration with one another, yet, for the time being, public information on this subject is limited.

Estelle Peyrard

Disabilities: rethinking inclusivity to avoid design-driven exclusion

Estelle Peyrard, Research Associate at Ecole Polytechnique (IP Paris)

On March 24th, 2026 3 min reading time

How is generative AI changing modern education?

Michel Barabel, Associate Professor at Sciences Po and Researcher at Université Paris-Est Créteil

On March 18th, 2026 5 min reading time

Current limits of generative AI in education are less about technical performance than about effects on learning trajectories.

The addictive design of social media under fire from regulators 

Lê Nguyên Hoang, PhD in Mathematics (Polytechnique Montréal), Co-Founder and Executive Director of Tournesol.app

On March 11th, 2026 5 min reading time

Beyond condemning TikTok, YouTube, and Meta, it seems more reasonable to invest in developing alternatives that comply with democratic standards.

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